/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sessionbean.BibliotecaBeanRemote;

/**
 *
 * @author CONSTANCIO
 */
public class BibliotecaServlet extends HttpServlet {

    BibliotecaBeanRemote bibliotecaBean = lookupBibliotecaBeanRemote();

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if (request.getParameter("button").equals("Login")) {
                String matricula, senha;
                matricula = request.getParameter("matricula");
                senha = request.getParameter("senha");
                
                out.println("<html>");
                out.println("<head>");
                out.println("<title>Servlet BibliotecaServlet</title>");
                out.println("</head>");
                out.println("<body>");                
                if(bibliotecaBean.verificarLogin(matricula, senha) == true){
                    out.println("<h1>Login realizado com secesso!!</h1>");
                }else{
                   // out.println("<h1>Login invalido: senha ou matricula errados!!</h1>");
                    request.setAttribute("msg", "Login invalido: senha ou matricula errados!!");
                    request.getRequestDispatcher("index.jsp").forward(request, response);
                }
                out.println("</body>");
                out.println("</html>");
            }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    private BibliotecaBeanRemote lookupBibliotecaBeanRemote() {
        try {
            Context c = new InitialContext();
            return (BibliotecaBeanRemote) c.lookup("java:global/NewApplicationSD/NewApplicationSD-ejb/BibliotecaBean!sessionbean.BibliotecaBeanRemote");
        } catch (NamingException ne) {
            Logger.getLogger(getClass().getName()).log(Level.SEVERE, "exception caught", ne);
            throw new RuntimeException(ne);
        }
    }
}
